Hi Ralph, As I see, I thought I was forgetting something - makes sense that it was Minix that ran on the older CPUs.
Hamish On 03/10/18 09:16, Ralph Corderoy wrote: > Hi Terry, > > The `monitor' I was thinking of is a > https://en.wikipedia.org/wiki/Machine_code_monitor and I think your one > is https://en.wikipedia.org/wiki/Resident_monitor > > Hamish, you're right. The Linux kernel wanted 80386. The 80286 had > memory protection, but Linus bought his first PC, an Intel 80386DX, > 33 MHz, 4 MiB, 40 MB, on 1991-01-05. Minix ran on the 80286. > > https://github.com/jbruchon/elks#readme is a derivative of the Linux > kernel for 16-bit x86, including the 80286. http://www.uclinux.org/ is > another spin off for small processors, typically without an MMU. Both > have died away as Linux-capable processors have got cheaper, e.g. ARM. > > Sticking with Linux, just, the Linux Foundation is behind the Zephyr > real-time OS for small devices. They didn't call it ZINL. > https://www.zephyrproject.org/ > > Terry, what was this 12 V v. 3 V thing you were talking about? Looking > at the schematic through the laptop's lid, I never understood. :-) > > Cheers, Ralph. > > -- > Next meeting at *new* venue: Bournemouth, Tuesday, 2018-11-06 20:00 > Check if you're replying to the list or the author > Meetings, mailing list, IRC, ... http://dorset.lug.org.uk/ > New thread, don't hijack: mailto:dorset@mailman.lug.org.uk -- Next meeting at *new* venue: Bournemouth, Tuesday, 2018-11-06 20:00 Check if you're replying to the list or the author Meetings, mailing list, IRC, ... http://dorset.lug.org.uk/ New thread, don't hijack: mailto:dorset@mailman.lug.org.uk
